C312322331333132212111133133313331333133312121111331323221121133131231   >>    C31232233133313221211113313331333133313331212111133132322112113313123   <<    C312322331333132212111133133313331333133312121111331323221121133131233   >>      C312322331333132212111133133313331333133312121111331323221121133131232   >>